303 lines
9.2 KiB
C
303 lines
9.2 KiB
C
/*
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* CUPS Backend common code
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*
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* (c) 2013-2019 Solomon Peachy <pizza@shaftnet.org>
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*
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* The latest version of this program can be found at:
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*
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* http://git.shaftnet.org/cgit/selphy_print.git
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* [http://www.gnu.org/licenses/gpl-3.0.html]
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*
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* SPDX-License-Identifier: GPL-3.0+
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <libusb.h>
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#include <arpa/inet.h>
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#ifndef __BACKEND_COMMON_H
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#define __BACKEND_COMMON_H
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#define STR_LEN_MAX 64
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#define STATE( ... ) do { if (!quiet) fprintf(stderr, "STATE: " __VA_ARGS__ ); } while(0)
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#define ATTR( ... ) do { if (!quiet) fprintf(stderr, "ATTR: " __VA_ARGS__ ); } while(0)
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#define PAGE( ... ) do { if (!quiet) fprintf(stderr, "PAGE: " __VA_ARGS__ ); } while(0)
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#define DEBUG( ... ) do { if (!quiet) fprintf(stderr, "DEBUG: " __VA_ARGS__ ); } while(0)
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#define DEBUG2( ... ) do { if (!quiet) fprintf(stderr, __VA_ARGS__ ); } while(0)
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#define INFO( ... ) do { if (!quiet) fprintf(stderr, "INFO: " __VA_ARGS__ ); } while(0)
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#define WARNING( ... ) do { fprintf(stderr, "WARNING: " __VA_ARGS__ ); } while(0)
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#define ERROR( ... ) do { fprintf(stderr, "ERROR: " __VA_ARGS__ ); sleep(1); } while (0)
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#if (__BYTE_ORDER == __LITTLE_ENDIAN)
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#define le64_to_cpu(__x) __x
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#define le32_to_cpu(__x) __x
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#define le16_to_cpu(__x) __x
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#define be16_to_cpu(__x) ntohs(__x)
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#define be32_to_cpu(__x) ntohl(__x)
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#define be64_to_cpu(__x) ((__uint64_t)( \
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(((__uint64_t)(__x) & (__uint64_t)0x00000000000000ffULL) << 56) | \
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(((__uint64_t)(__x) & (__uint64_t)0x000000000000ff00ULL) << 40) | \
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(((__uint64_t)(__x) & (__uint64_t)0x0000000000ff0000ULL) << 24) | \
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(((__uint64_t)(__x) & (__uint64_t)0x00000000ff000000ULL) << 8) | \
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(((__uint64_t)(__x) & (__uint64_t)0x000000ff00000000ULL) >> 8) | \
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(((__uint64_t)(__x) & (__uint64_t)0x0000ff0000000000ULL) >> 24) | \
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(((__uint64_t)(__x) & (__uint64_t)0x00ff000000000000ULL) >> 40) | \
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(((__uint64_t)(__x) & (__uint64_t)0xff00000000000000ULL) >> 56)))
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#else
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#define le64_to_cpu(__x) ((__uint64_t)( \
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(((__uint64_t)(__x) & (__uint64_t)0x00000000000000ffULL) << 56) | \
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(((__uint64_t)(__x) & (__uint64_t)0x000000000000ff00ULL) << 40) | \
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(((__uint64_t)(__x) & (__uint64_t)0x0000000000ff0000ULL) << 24) | \
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(((__uint64_t)(__x) & (__uint64_t)0x00000000ff000000ULL) << 8) | \
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(((__uint64_t)(__x) & (__uint64_t)0x000000ff00000000ULL) >> 8) | \
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(((__uint64_t)(__x) & (__uint64_t)0x0000ff0000000000ULL) >> 24) | \
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(((__uint64_t)(__x) & (__uint64_t)0x00ff000000000000ULL) >> 40) | \
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(((__uint64_t)(__x) & (__uint64_t)0xff00000000000000ULL) >> 56)))
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#define le32_to_cpu(x) \
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({ \
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uint32_t __x = (x); \
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((uint32_t)( \
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(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
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(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
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(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
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(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
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})
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#define le16_to_cpu(x) \
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({ \
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uint16_t __x = (x); \
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((uint16_t)( \
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(((uint16_t)(__x) & (uint16_t)0x00ff) << 8) | \
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(((uint16_t)(__x) & (uint16_t)0xff00) >> 8))); \
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})
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#define be64_to_cpu(__x) __x
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#define be32_to_cpu(__x) __x
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#define be16_to_cpu(__x) __x
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#endif
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#define cpu_to_le16 le16_to_cpu
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#define cpu_to_le32 le32_to_cpu
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#define cpu_to_be16 be16_to_cpu
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#define cpu_to_be32 be32_to_cpu
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/* To cheat the compiler */
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#define UNUSED(expr) do { (void)(expr); } while (0)
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/* To enumerate supported devices */
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enum {
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P_UNKNOWN = 0,
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P_CP_XXX = 1,
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P_CP10 = 2,
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P_CP790 = 3,
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P_CP900 = 4,
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P_CP910 = 5,
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P_ES1 = 6,
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P_ES2_20 = 7,
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P_ES3_30 = 8,
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P_ES40 = 9,
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P_KODAK_1400_805 = 10,
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P_KODAK_6800 = 11,
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P_KODAK_6850 = 12,
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P_KODAK_305 = 13,
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P_KODAK_605 = 14,
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P_SHINKO_S1245 = 15,
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P_SHINKO_S2145 = 16,
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P_SHINKO_S6145 = 17,
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P_SHINKO_S6145D = 18,
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P_SHINKO_S6245 = 19,
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P_SONY_UPCR10 = 20,
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P_SONY_UPDR150 = 21,
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P_MITSU_9550 = 22,
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P_MITSU_9550S = 23,
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P_MITSU_9600 = 24,
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P_MITSU_9800 = 25,
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P_MITSU_9800S = 26,
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P_MITSU_9810 = 27,
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P_MITSU_D70X = 28,
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P_MITSU_D80 = 29,
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P_MITSU_D90 = 30,
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P_MITSU_K60 = 31,
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P_MITSU_P93D = 32,
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P_MITSU_P95D = 33,
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P_CITIZEN_CW01 = 34,
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P_CITIZEN_OP900II = 35,
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P_DNP_DS40 = 36,
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P_DNP_DS620 = 37,
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P_DNP_DS80 = 38,
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P_DNP_DS80D = 39,
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P_DNP_DS820 = 40,
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P_DNP_DSRX1 = 41,
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P_FUJI_ASK300 = 42,
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P_MAGICARD = 43,
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P_SONY_UPD895 = 44,
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P_SONY_UPD897 = 45,
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P_SONY_UPD898 = 46,
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P_SONY_UPCR20L = 47,
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P_SONY_UPDR80 = 48,
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P_KODAK_8810 = 49,
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P_KODAK_7000 = 50,
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P_KODAK_701X = 51,
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P_KODAK_6900 = 52,
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P_SHINKO_S2245 = 53,
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P_END,
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};
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struct device_id {
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uint16_t vid;
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uint16_t pid;
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int type; /* P_** */
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char *manuf_str;
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char *prefix;
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};
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struct marker {
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const char *color; /* Eg "#00FFFF" */
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const char *name; /* Eg "CK9015 (4x6)" */
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int levelmax; /* Max media count, eg '600', or '-1' */
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int levelnow; /* Remaining media, -3, -2, -1, 0..N. See CUPS. */
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};
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#define BACKEND_FLAG_JOBLIST 0x00000001
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/* Backend Functions */
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struct dyesub_backend {
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const char *name;
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const char *version;
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const char **uri_prefixes;
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uint32_t flags;
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void (*cmdline_usage)(void); /* Optional */
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void *(*init)(void);
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int (*attach)(void *ctx, struct libusb_device_handle *dev, int type,
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uint8_t endp_up, uint8_t endp_down, uint8_t jobid);
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void (*teardown)(void *ctx);
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int (*cmdline_arg)(void *ctx, int argc, char **argv);
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int (*read_parse)(void *ctx, const void **job, int data_fd, int copies);
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void (*cleanup_job)(const void *job);
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int (*main_loop)(void *ctx, const void *job);
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int (*query_serno)(struct libusb_device_handle *dev, uint8_t endp_up, uint8_t endp_down, char *buf, int buf_len); /* Optional */
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int (*query_markers)(void *ctx, struct marker **markers, int *count);
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const struct device_id devices[];
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};
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#define DYESUB_MAX_JOB_ENTRIES 2
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struct dyesub_joblist {
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// TODO: mutex/lock
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struct dyesub_backend *backend;
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void *ctx;
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int num_entries;
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int copies;
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const void *entries[DYESUB_MAX_JOB_ENTRIES];
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};
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/* Exported functions */
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int send_data(struct libusb_device_handle *dev, uint8_t endp,
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const uint8_t *buf, int len);
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int read_data(struct libusb_device_handle *dev, uint8_t endp,
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uint8_t *buf, int buflen, int *readlen);
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void dump_markers(struct marker *markers, int marker_count, int full);
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void print_license_blurb(void);
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void print_help(char *argv0, struct dyesub_backend *backend);
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int dyesub_read_file(char *filename, void *databuf, int datalen,
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int *actual_len);
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uint16_t uint16_to_packed_bcd(uint16_t val);
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uint32_t packed_bcd_to_uint32(char *in, int len);
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void generic_teardown(void *vctx);
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/* USB enumeration and attachment */
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#define NUM_CLAIM_ATTEMPTS 10
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int backend_claim_interface(struct libusb_device_handle *dev, int iface,
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int num_claim_attempts);
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/* Job list manipulation */
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struct dyesub_joblist *dyesub_joblist_create(struct dyesub_backend *backend, void *ctx);
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int dyesub_joblist_addjob(struct dyesub_joblist *list, const void *job);
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void dyesub_joblist_cleanup(const struct dyesub_joblist *list);
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int dyesub_joblist_print(const struct dyesub_joblist *list);
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/* Global data */
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extern int terminate;
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extern int dyesub_debug;
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extern int fast_return;
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extern int extra_vid;
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extern int extra_pid;
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extern int extra_type;
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extern int ncopies;
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extern int collate;
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extern int test_mode;
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extern int quiet;
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enum {
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TEST_MODE_NONE = 0,
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TEST_MODE_NOPRINT,
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TEST_MODE_NOATTACH,
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TEST_MODE_MAX,
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};
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#if defined(BACKEND)
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extern struct dyesub_backend BACKEND;
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#endif
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/* CUPS compatibility */
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#define CUPS_BACKEND_OK 0 /* Success */
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#define CUPS_BACKEND_FAILED 1 /* Failed to print use CUPS policy */
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#define CUPS_BACKEND_AUTH_REQUIRED 2 /* Auth required */
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#define CUPS_BACKEND_HOLD 3 /* Hold this job only */
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#define CUPS_BACKEND_STOP 4 /* Stop the entire queue */
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#define CUPS_BACKEND_CANCEL 5 /* Cancel print job */
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#define CUPS_BACKEND_RETRY 6 /* Retry later */
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#define CUPS_BACKEND_RETRY_CURRENT 7 /* Retry immediately */
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/* Argument processing */
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#define GETOPT_LIST_GLOBAL "d:DfGhv"
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#define GETOPT_PROCESS_GLOBAL \
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case 'd': \
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ncopies = atoi(optarg); \
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break; \
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case 'D': \
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dyesub_debug++; \
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break; \
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case 'f': \
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fast_return++; \
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break; \
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case 'G': \
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print_license_blurb(); \
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exit(0); \
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case 'h': \
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print_help(argv[0], &BACKEND); \
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exit(0); \
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case 'v': \
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quiet++; \
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break;
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#endif /* __BACKEND_COMMON_H */
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